584 lines
24 KiB
HTML
584 lines
24 KiB
HTML
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<!doctype html>
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<html lang="en">
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<head>
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<title>Code coverage report for sync-inflate.js</title>
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<meta charset="utf-8" />
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<link rel="stylesheet" href="prettify.css" />
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<link rel="stylesheet" href="base.css" />
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<link rel="shortcut icon" type="image/x-icon" href="favicon.png" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<style type='text/css'>
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.coverage-summary .sorter {
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background-image: url(sort-arrow-sprite.png);
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}
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</style>
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</head>
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<body>
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<div class='wrapper'>
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<div class='pad1'>
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<h1><a href="index.html">All files</a> sync-inflate.js</h1>
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<div class='clearfix'>
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<div class='fl pad1y space-right2'>
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<span class="strong">75.31% </span>
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<span class="quiet">Statements</span>
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<span class='fraction'>61/81</span>
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</div>
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<div class='fl pad1y space-right2'>
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<span class="strong">62% </span>
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<span class="quiet">Branches</span>
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<span class='fraction'>31/50</span>
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</div>
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<div class='fl pad1y space-right2'>
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<span class="strong">87.5% </span>
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<span class="quiet">Functions</span>
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<span class='fraction'>7/8</span>
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</div>
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<div class='fl pad1y space-right2'>
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<span class="strong">75.31% </span>
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<span class="quiet">Lines</span>
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<span class='fraction'>61/81</span>
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</div>
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</div>
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<p class="quiet">
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Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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</p>
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</div>
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<div class='status-line medium'></div>
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<pre><table class="coverage">
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<tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">"use strict";
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let assert = require("assert").ok;
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let zlib = require("zlib");
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let util = require("util");
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let kMaxLength = require("buffer").kMaxLength;
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function Inflate(opts) {
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<span class="missing-if-branch" title="if path not taken" >I</span>if (!(this instanceof Inflate)) {
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<span class="cstat-no" title="statement not covered" > return new Inflate(opts);</span>
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}
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if (opts && opts.chunkSize < zlib.Z_MIN_CHUNK) {
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opts.chunkSize = zlib.Z_MIN_CHUNK;
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}
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zlib.Inflate.call(this, opts);
|
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// Node 8 --> 9 compatibility check
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this._offset = this._offset === undefined ? this._outOffset : <span class="branch-1 cbranch-no" title="branch not covered" >this._offset;</span>
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this._buffer = this._buffer || this._outBuffer;
|
|
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<span class="missing-if-branch" title="else path not taken" >E</span>if (opts && opts.maxLength != null) {
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this._maxLength = opts.maxLength;
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}
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}
|
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function <span class="fstat-no" title="function not covered" >createInflate(</span>opts) {
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<span class="cstat-no" title="statement not covered" > return new Inflate(opts);</span>
|
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}
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function _close(engine, callback) {
|
|
<span class="missing-if-branch" title="if path not taken" >I</span>if (callback) {
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|
<span class="cstat-no" title="statement not covered" > process.nextTick(callback);</span>
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|
}
|
|
|
|
// Caller may invoke .close after a zlib error (which will null _handle).
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|
<span class="missing-if-branch" title="if path not taken" >I</span>if (!engine._handle) {
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<span class="cstat-no" title="statement not covered" > return;</span>
|
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}
|
|
|
|
engine._handle.close();
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|
engine._handle = null;
|
|
}
|
|
|
|
Inflate.prototype._processChunk = function (chunk, flushFlag, asyncCb) {
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<span class="missing-if-branch" title="if path not taken" >I</span>if (typeof asyncCb === "function") {
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|
<span class="cstat-no" title="statement not covered" > return zlib.Inflate._processChunk.call(this, chunk, flushFlag, asyncCb);</span>
|
|
}
|
|
|
|
let self = this;
|
|
|
|
let availInBefore = chunk && chunk.length;
|
|
let availOutBefore = this._chunkSize - this._offset;
|
|
let leftToInflate = this._maxLength;
|
|
let inOff = 0;
|
|
|
|
let buffers = [];
|
|
let nread = 0;
|
|
|
|
let error;
|
|
this.on("error", function (err) {
|
|
error = err;
|
|
});
|
|
|
|
function handleChunk(availInAfter, availOutAfter) {
|
|
<span class="missing-if-branch" title="if path not taken" >I</span>if (self._hadError) {
|
|
<span class="cstat-no" title="statement not covered" > return;</span>
|
|
}
|
|
|
|
let have = availOutBefore - availOutAfter;
|
|
assert(have >= 0, "have should not go down");
|
|
|
|
<span class="missing-if-branch" title="else path not taken" >E</span>if (have > 0) {
|
|
let out = self._buffer.slice(self._offset, self._offset + have);
|
|
self._offset += have;
|
|
|
|
if (out.length > leftToInflate) {
|
|
out = out.slice(0, leftToInflate);
|
|
}
|
|
|
|
buffers.push(out);
|
|
nread += out.length;
|
|
leftToInflate -= out.length;
|
|
|
|
<span class="missing-if-branch" title="else path not taken" >E</span>if (leftToInflate === 0) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
<span class="cstat-no" title="statement not covered" > if (availOutAfter === 0 || self._offset >= self._chunkSize) {</span>
|
|
<span class="cstat-no" title="statement not covered" > availOutBefore = self._chunkSize;</span>
|
|
<span class="cstat-no" title="statement not covered" > self._offset = 0;</span>
|
|
<span class="cstat-no" title="statement not covered" > self._buffer = Buffer.allocUnsafe(self._chunkSize);</span>
|
|
}
|
|
|
|
<span class="cstat-no" title="statement not covered" > if (availOutAfter === 0) {</span>
|
|
<span class="cstat-no" title="statement not covered" > inOff += availInBefore - availInAfter;</span>
|
|
<span class="cstat-no" title="statement not covered" > availInBefore = availInAfter;</span>
|
|
|
|
<span class="cstat-no" title="statement not covered" > return true;</span>
|
|
}
|
|
|
|
<span class="cstat-no" title="statement not covered" > return false;</span>
|
|
}
|
|
|
|
assert(this._handle, "zlib binding closed");
|
|
let res;
|
|
do {
|
|
res = this._handle.writeSync(
|
|
flushFlag,
|
|
chunk, // in
|
|
inOff, // in_off
|
|
availInBefore, // in_len
|
|
this._buffer, // out
|
|
this._offset, //out_off
|
|
availOutBefore
|
|
); // out_len
|
|
// Node 8 --> 9 compatibility check
|
|
res = res || this._writeState;
|
|
} while (!this._hadError && handleChunk(res[0], res[1]));
|
|
|
|
if (this._hadError) {
|
|
throw error;
|
|
}
|
|
|
|
<span class="missing-if-branch" title="if path not taken" >I</span>if (nread >= kMaxLength) {
|
|
<span class="cstat-no" title="statement not covered" > _close(this);</span>
|
|
<span class="cstat-no" title="statement not covered" > throw new RangeError(</span>
|
|
"Cannot create final Buffer. It would be larger than 0x" +
|
|
kMaxLength.toString(16) +
|
|
" bytes"
|
|
);
|
|
}
|
|
|
|
let buf = Buffer.concat(buffers, nread);
|
|
_close(this);
|
|
|
|
return buf;
|
|
};
|
|
|
|
util.inherits(Inflate, zlib.Inflate);
|
|
|
|
function zlibBufferSync(engine, buffer) {
|
|
<span class="missing-if-branch" title="if path not taken" >I</span>if (typeof buffer === "string") {
|
|
<span class="cstat-no" title="statement not covered" > buffer = Buffer.from(buffer);</span>
|
|
}
|
|
<span class="missing-if-branch" title="if path not taken" >I</span>if (!(buffer instanceof Buffer)) {
|
|
<span class="cstat-no" title="statement not covered" > throw new TypeError("Not a string or buffer");</span>
|
|
}
|
|
|
|
let flushFlag = engine._finishFlushFlag;
|
|
<span class="missing-if-branch" title="if path not taken" >I</span>if (flushFlag == null) {
|
|
<span class="cstat-no" title="statement not covered" > flushFlag = zlib.Z_FINISH;</span>
|
|
}
|
|
|
|
return engine._processChunk(buffer, flushFlag);
|
|
}
|
|
|
|
function inflateSync(buffer, opts) {
|
|
return zlibBufferSync(new Inflate(opts), buffer);
|
|
}
|
|
|
|
module.exports = exports = inflateSync;
|
|
exports.Inflate = Inflate;
|
|
exports.createInflate = createInflate;
|
|
exports.inflateSync = inflateSync;
|
|
</pre></td></tr></table></pre>
|
|
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Code coverage generated by
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<a href="https://istanbul.js.org/" target="_blank">istanbul</a>
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at Fri Apr 10 2020 13:53:16 GMT+0200 (Central European Summer Time)
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